Init. Map does not function and only working on backend at the moment.

node_modules/has-binary/index.js

@@ -0,0 +1,59 @@
+
+/*
+ * Module requirements.
+ */
+
+var isArray = require('isarray');
+
+/**
+ * Module exports.
+ */
+
+module.exports = hasBinary;
+
+/**
+ * Checks for binary data.
+ *
+ * Right now only Buffer and ArrayBuffer are supported..
+ *
+ * @param {Object} anything
+ * @api public
+ */
+
+function hasBinary(data) {
+
+  function _hasBinary(obj) {
+    if (!obj) return false;
+
+    if ( (global.Buffer && global.Buffer.isBuffer && global.Buffer.isBuffer(obj)) ||
+         (global.ArrayBuffer && obj instanceof ArrayBuffer) ||
+         (global.Blob && obj instanceof Blob) ||
+         (global.File && obj instanceof File)
+        ) {
+      return true;
+    }
+
+    if (isArray(obj)) {
+      for (var i = 0; i < obj.length; i++) {
+          if (_hasBinary(obj[i])) {
+              return true;
+          }
+      }
+    } else if (obj && 'object' == typeof obj) {
+      // see: https://github.com/Automattic/has-binary/pull/4
+      if (obj.toJSON && 'function' == typeof obj.toJSON) {
+        obj = obj.toJSON();
+      }
+
+      for (var key in obj) {
+        if (Object.prototype.hasOwnProperty.call(obj, key) && _hasBinary(obj[key])) {
+          return true;
+        }
+      }
+    }
+
+    return false;
+  }
+
+  return _hasBinary(data);
+}